nomadseason

December Weather in Rexburg, United States

Last updated: June 24, 2025

In Rexburg, United States, the average temperature in December hovers around -5°C (24°F), with extreme lows reaching -23°C (-9°F) and highs peaking at 11°C (52°F). This month sees 49 mm (1.9 in) of precipitation over 11 days, contributing to an average humidity of 91%. Be prepared for a chilly, damp experience!

December Temperature in Rexburg

In December in Rexburg, the average temperature is -5°C (24°F). Maximums can reach 11°C (52°F) and minimums can be as low as -23°C (-9°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both chilly days and warmer afternoons.

December Weather in Rexburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rexburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rexburg, December typically has an average temperature of -5°C (24°F), with highs reaching up to 11°C (52°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222635435263726960443523
Data source: Temperature data for Rexburg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rexburg

In Rexburg in December, the total precipitation amount is 49 mm (1.9 in) spread over 11 days.

December Precipitation Trends in Rexburg

The chart displays monthly precipitation patterns in Rexburg, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Rexburg, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec46524660653681930444149
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Rexburg

In Rexburg in December humidity is 91%. With an average temperature of -5°C (24°F), this humidity makes the cold feel even more biting and penetrative, creating a chilling atmosphere that's quite uncomfortable for traveling.

December Average Humidity in Rexburg

This chart illustrates the average monthly humidity levels in Rexburg, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Rexburg is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rexburg

In Rexburg in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Rexburg, you can check the information here.

Maximum UV Index Levels in Rexburg for December

The chart shows the monthly maximum UV Index (UVI) for Rexburg in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Rexburg typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Rexburg December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Rexburg Compares to Other Months

Weather in Rexburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rexburg, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Rexburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)46 mm (1.8 inches)95%moderate
February Weather-3°C (26°F)52 mm (2.1 inches)95%moderate
March Weather2°C (35°F)46 mm (1.8 inches)90%very high
April Weather6°C (43°F)60 mm (2.4 inches)81%very high
May Weather11°C (53°F)65 mm (2.6 inches)71%very high
June Weather17°C (63°F)36 mm (1.4 inches)64%extreme
July Weather22°C (72°F)8 mm (0.3 inches)59%extreme
August Weather21°C (70°F)19 mm (0.7 inches)49%very high
September Weather16°C (60°F)30 mm (1.2 inches)52%very high
October Weather7°C (44°F)44 mm (1.7 inches)69%high
November Weather1°C (35°F)41 mm (1.6 inches)86%moderate
December Weather-5°C (24°F)49 mm (1.9 inches)91%moderate

Compare Rexburg's Climate with Cities Worldwide